Finding the Fourth Proportional to 11,247,338.10, 16,871,007.15 and 8,239,235.70
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Solution
The fourth proportional to 11,247,338.10, 16,871,007.15 and 8,239,235.70 is: 12,358,853.55
Step by Step Solution
- Step 1: Write the proportion equation
11,247,338.10 : 16,871,007.15 = 8,239,235.70 : x - Step 2: Convert to fraction form
11,247,338.10/16,871,007.15 = 8,239,235.70/x - Step 3: Cross multiply
11,247,338.10x = 16,871,007.15 × 8,239,235.70 - Step 4: Simplify right side
11,247,338.10x = 139,004,204,405,235.25 - Step 5: Solve for x
x = 139,004,204,405,235.25/11,247,338.10 - Step 6: Final answer
x = 12,358,853.55
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.